/*
 * Copyright (c) 2009, 2012 IBM Corp.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Dave Locke - initial API and implementation and/or initial documentation
 */
package org.eclipse.paho.client.mqttv3.internal.wire;

import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttPersistable;
import org.eclipse.paho.client.mqttv3.MqttPersistenceException;

public abstract class MqttPersistableWireMessage extends MqttWireMessage
        implements MqttPersistable {

    public MqttPersistableWireMessage(byte type) {
        super(type);
    }

    public byte[] getHeaderBytes() throws MqttPersistenceException {
        try {
            return getHeader();
        } catch (MqttException ex) {
            throw new MqttPersistenceException(ex.getCause());
        }
    }

    public int getHeaderLength() throws MqttPersistenceException {
        return getHeaderBytes().length;
    }

    public int getHeaderOffset() throws MqttPersistenceException {
        return 0;
    }

//	public String getKey() throws MqttPersistenceException {
//		return new Integer(getMessageId()).toString();
//	}
    public byte[] getPayloadBytes() throws MqttPersistenceException {
        try {
            return getPayload();
        } catch (MqttException ex) {
            throw new MqttPersistenceException(ex.getCause());
        }
    }

    public int getPayloadLength() throws MqttPersistenceException {
        return 0;
    }

    public int getPayloadOffset() throws MqttPersistenceException {
        return 0;
    }

}
